Product Model
CM-SFS.21S
Selling Points
- 1Reliable Over- and Undercurrent Protection: Monitors DC and AC currents with adjustable sensitivity from 3 mA to 1 A.
- 2Versatile Configuration Options: Configurable ON- or OFF-delay, open- or closed-circuit principle, and latching function.
- 3Wide Operating Voltage Range: Compatible with 24-240V AC/DC systems, ensuring flexibility in various electrical setups.
- 4Adjustable Trip Delays: Start-up delay (TS) and tripping delay (TV) adjustable from instantaneous to 30 seconds.
- 5Compact Design with High Durability: Measuring just 22.5 mm wide, with a mechanical durability of up to 30 million cycles.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 22.5 mm | Product Net Height | 85.6 mm |
Product Net Depth / Length | 103.7 mm | Product Net Weight | 0.15 kg |
Function | Over- and undercurrent monitoring | Measuring Range | 3 ... 30 mA 10 ... 100 mA 0.1 ... 1 A |
Time Range | 0 s or 0.1 ... 30 s start-up delay 0 s or 0.1 ... 30 s tripping delay (ON or OFF) | Rated Control Supply Voltage (Us) | 24 ... 240 V AC/DC |
Output | 2 x 1 c/o or 1 x 2 c/o contacts; operating principle selectable | Terminal Type | Screw Terminals |
Rated Operational Current AC-12 (Ie) | (230 V) 4 A | Rated Operational Current AC-15 (Ie) | (230 V) 3 A |
Rated Operational Current DC-12 (Ie) | (24 V) 4 A | Rated Operational Current DC-13 (Ie) | (24 V) 2 A |
Minimum Switching Capacity | 24 V 10 mA | Rated Impulse Withstand Voltage (Uimp) | Measuring Circuit / Output Circuit 6 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 6 kV Supply Circuit / Output Circuit 4 kV |
Rated Insulation Voltage (Ui) | Measuring Circuit / Output Circuit 600 V Output Circuit 1 / Output Circuit 2 250 V Supply Circuit / Measuring Circuit 600 V Supply Circuit / Output Circuit 250 V | Degree of Protection | Housing IP50 Terminals IP20 |
Overvoltage Category | III | Pollution Degree | 3 |
Short-Circuit Protective Devices | Output Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A | Electrical Durability | AC-12 100000 cycle |
Mechanical Durability | 30000000 cycle | Connecting Capacity | Flexible with Ferrule 1x 0.5 ... 2.5 mm² Flexible with Ferrule 2x 0.5 ... 1.5 mm² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm² Flexible 1x 0.5 ... 2.5 mm² Flexible 2x 0.5 ... 1.5 mm² Rigid 1x 0.5 ... 4 mm² Rigid 2x 0.5 ... 2.5 mm² |
Tightening Torque | 0.6 ... 0.8 N·m | Wire Stripping Length | 8 mm |
Recommended Screw Driver | 0.8 x 4 4.5 Pozidriv 1 | Mounting Position | 1 ... 6 |
Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 | Standards | CAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 60255-27 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508 |
Maximum Operating Voltage UL/CSA | Output Circuit 300 V AC | Contact Rating UL/CSA | B300 |
Connecting Capacity UL/CSA | Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG | Tightening Torque UL/CSA | 7.08 in·lb |
Pilot Duty UL/CSA | B300 | Ambient Air Temperature | Operation -20 ... +60 °C Storage -40 ... +85 °C |
Object Classification Code | B | ETIM 7 | EC001440 - Current monitoring relay |
ETIM 8 | EC001440 - Current monitoring relay | ETIM 9 | EC001440 - Current monitoring relay |
eClass | V11.0 : 27371802 | UNSPSC | 39122332 |
E-Number (Finland) | 2712298 | E-Number (Norway) | 4188074 |
E-Number (Sweden) | 3860616 | Manufacturer ID | 1SVR730760R0400 |
Specifications may be subject to change without notice